KTC2803-GR Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 120 V
• Collector-Base Voltage, max: 120 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 1.2 A
• Collector Dissipation: 20 W
• DC Current Gain (h_fe): 160 to 320
• Transition Frequency, min: 110 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-126

Here is an image showing the pin diagram of this transistor.The KTC2803-GR transistor can have a current gain of 160 to 320. The gain of the KTC2803 will be in the range from 100 to 320, for the KTC2803-Y it will be in the range from 100 to 200.The complementary PNP transistor to the KTC2803-GR is the KTA1704-GR.The FMMT624 (SOT-23), FMMT625 (SOT-23) and FZT694B (SOT-223) is the SMD version of the KTC2803-GR transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.You can replace the KTC2803-GR with the 2SC2481, 2SC2481-Y, 2SC2690, 2SC2690-P, 2SC2690A, 2SC2690A-P, 2SC3117, 2SC3902, 2SD669, 2SD669-D, KSC2690, KSC2690-Y, KSC2690A or KSC2690A-Y.